749255-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749255-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,2,5 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 749255-16:
(8*7)+(7*4)+(6*9)+(5*2)+(4*5)+(3*5)+(2*1)+(1*6)=191
191 % 10 = 1
So 749255-16-1 is a valid CAS Registry Number.
InChI:InChI=1/C15H20N4O/c20-15(10-19-12-16-11-18-19,13-6-2-1-3-7-13)14-8-4-5-9-17-14/h4-5,8-9,11-13,20H,1-3,6-7,10H2